NPPES file of Aug 9, 2026

Gregory Scott Erickson, MD

Internal Medicine Physician · Yankton, SD

Gregory Scott Erickson, MD is an internal medicine physician with a practice address in Yankton, South Dakota, and NPI 1306989090, issued on Feb 14, 2007. Check the license (South Dakota 2826, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306989090
Name
Gregory Scott Erickson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2826 SD
Self-reported in NPPES; status is on the state search
Practice location
501 Summit, Yankton, SD 57078
Phone
(605) 668-8100
Enumerated
Feb 14, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040402001414); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory Scott Erickson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 2826
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Dakota license search

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

127 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Gregory Erickson127
  2. Specialty average3,176

Most prescribed

  1. Prednisone17 claims
  2. Cephalexin14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 97.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%93.3
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Prairie Lakes Health Care System IncWatertown, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Scott Erickson among 247 internal medicine physician records in South Dakota

Gregory Scott Erickson, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 48% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1986 · median 2008 among the 146 with a school on file
  • Record last updated2007 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 internal medicine physician records list a practice address in Yankton

They are 15 of the 515 NPPES records with a practice address in Yankton, and 247 internal medicine physician records in South Dakota.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Clarissa Barnes, M.D.Yankton, SD 570781770758757
  2. Theophilus Bortier, MDYankton, SD 570781861141939
  3. Susan Fanta, MDYankton, SD 570781326049313
  4. Jennifer Fillaus, D.O.Yankton, SD 570781760696967
  5. John Frank, MDYankton, SD 570781669473443
  6. Tyler Hanson, M.D.Yankton, SD 570781700800885
  7. Michael Hein, MDYankton, SD 570781346241148
  8. Martha Holstein, MDYankton, SD 570781447601141

Common questions

What is Gregory Scott Erickson, MD's NPI number?

Gregory Scott Erickson, MD's National Provider Identifier (NPI) is 1306989090, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Scott Erickson, MD located?

The NPPES record lists a practice address at 501 Summit, Yankton, SD, 57078. Phone: (605) 668-8100. Providers update this record themselves, so call before visiting.

How can I verify Gregory Scott Erickson, MD's license?

NPPES lists South Dakota license number 2826, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Scott Erickson, MD prescribe under Medicare Part D?

In 2024, Gregory Scott Erickson, MD had 127 Medicare Part D claims for 93 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Gregory Scott Erickson, MD's MIPS final score?

The 2023 MIPS final score is 97.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.